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Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets by Major Class | The gross book value, accumulated amortization and net book value of intangible assets were as follows:
| (Stated in millions) |
| Sept. 30, 2018 |  |  | Dec. 31, 2017 |
| Gross |  |  | Accumulated |  |  | Net Book |  |  | Gross |  |  | Accumulated |  |  | Net Book |
| Book Value |  |  | Amortization |  |  | Value |  |  | Book Value |  |  | Amortization |  |  | Value |
Customer relationships | $ | 4,775 |  |  | $ | 1,187 |  |  | $ | 3,588 |  |  | $ | 4,832 |  |  | $ | 1,020 |  |  | $ | 3,812 |
Technology/technical know-how |  | 3,578 |  |  |  | 1,197 |  |  |  | 2,381 |  |  |  | 3,634 |  |  |  | 1,078 |  |  |  | 2,556 |
Tradenames |  | 2,806 |  |  |  | 609 |  |  |  | 2,197 |  |  |  | 2,806 |  |  |  | 533 |  |  |  | 2,273 |
Other |  | 1,362 |  |  |  | 598 |  |  |  | 764 |  |  |  | 1,295 |  |  |  | 582 |  |  |  | 713 |
| $ | 12,521 |  |  | $ | 3,591 |  |  | $ | 8,930 |  |  | $ | 12,567 |  |  | $ | 3,213 |  |  | $ | 9,354 |
Amortization Expense Charged to Income for Intangible Assets | Amortization expense charged to income was as follows:
(Stated in millions) |
| 2018 |  |  | 2017 |
Third Quarter | $ | 167 |  |  | $ | 165 |
Nine Months | $ | 506 |  |  | $ | 501 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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